Home / 18,715,090.60-28,072,635.90-5,936,595.40

Finding the Fourth Proportional to 18,715,090.60, 28,072,635.90 and 5,936,595.40

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Solution

The fourth proportional to 18,715,090.60, 28,072,635.90 and 5,936,595.40 is: 8,904,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,090.60 : 28,072,635.90 = 5,936,595.40 : x
  2. Step 2: Convert to fraction form
    18,715,090.60/28,072,635.90 = 5,936,595.40/x
  3. Step 3: Cross multiply
    18,715,090.60x = 28,072,635.90 × 5,936,595.40
  4. Step 4: Simplify right side
    18,715,090.60x = 166,655,881,149,814.88
  5. Step 5: Solve for x
    x = 166,655,881,149,814.88/18,715,090.60
  6. Step 6: Final answer
    x = 8,904,893.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.